Archives for: September 2010
vCD restart issues

One of my readers had an issue with a vCD cell not starting correctly. He wanted to know how to monitor the progress of the startup of the daemon. You can do that very easy with the following command: tail -f /opt/vmware/cloud-director/logs/cell.log Now you should see status updates like the following pass by: Application Initialization: 9% complete. Subsystem ‘com.vmware.vcloud.common.core’ started [...]

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Storage I/O Fairness

I was preparing a post on Storage I/O Control (SIOC) when I noticed this article by Alex Bakman. Alex managed to capture the essence of SIOC in just two sentences. Without setting the shares you can simply enable Storage I/O controls on each datastore. This will prevent any one VM from monopolizing the datatore by leveling out all requests for I/O that [...]

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Number 1 virtualization/VMware Blog!

Eric Siebert (vSphere-Land) published the results of the best VMware/Virtualization blog election today. A slightly different format this time though as they decided to record a special edition of vChat, Eric Siebert together with Simon Seagrave, David Davis and the infamous John Troyer announced the Top 25 and had a stack of compliments for every blogger out there. I would like [...]

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And the free VMworld ticket goes to…

After reading all comments each of us independently made a top-3 and after combining each of them it was quite obvious who won…. Jason C! Read his justification below, but first let me Congratulate Jason! Well done and enjoy the ride! In simple terms the list below is why I need to go to VMworld. BC6703 How To Be Successful with SRM [...]

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vCD – Allocation Models

Over the last two weeks I received multiple questions about the VMware vCloud Director (vCD) Allocation Models. vCD has three different type of allocation models which are used to allocate resources to a tenant. We will first reiterate some of the basic concepts of VMware Cloud Director before we dive into these allocation models. vCD is an abstraction layer. vCD is [...]

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RE: Migrating your VMs from vSphere to vCloud Director and vice versa

Hany Michael wrote a nice article on importing and exporting your VMs from and to vCloud Director. Although the importing made a lot of sense the exporting from vCD and importing into vSphere in my opinion is a bit shady. It is not something I would recommend to anyone as I am unsure it is supported and I believe that [...]

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Service Console Memory, a common misunderstanding (ESX 4.0+)

I was reading the Maximum vSphere book by Eric Siebert today and noticed something that I also spotted in Scott Lowe’s Mastering VMware Sphere book. Both Scott and Eric described the fact that the default amount of assigned Service Console memory for ESX has been increased from 272MB to X. I deliberately use “X” as both Eric and Scott mention [...]

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